PISTON KIT 85-87 YZ80 49.50, WOSSNER 8186D150 YAMAHA MX
Wossner piston kit for Yamaha YZ80 models 1985-1987. Features a 49.50 mm bore with an actual piston diameter of 49.45 mm. Forged in Germany for high strength and optimized heat transfer. Elliptical design ensures even load distribution under thermal expansion, reducing localized pressure and preventing piston collapse. Specifications: Bore size 49.50 mm, actual piston diameter 49.45 mm, display (cm³) 82, stroke 45.60 mm, clearance 0.05 mm, compression height 26.80 mm, Wossner compression ratio 2-stroke, OEM compression ratio 2-stroke. Part numbers: Wossner Piston 8186D150, Lock CW12, Pin WP091, Ring Set RSB4950, Alternate 56-W520+150.WO. Weight 148g.
- SKU
- 56-W520+150.WO
- Brand
- Wossner
- Availability
- In Stock (1)
FULL DESCRIPTION
Wossner Forged Piston Kit for Yamaha YZ80 (1985-1987)
Enhance the performance and durability of your Yamaha YZ80 with this premium Wossner forged piston kit. Precision engineered in Germany, this kit is designed to meet the demands of high-performance riding.
Key Features:
- Forged piston construction provides superior strength and resilience.
- Optimized for efficient heat transfer from the combustion chamber to the cylinder walls, promoting better engine cooling.
- Features an elliptical piston design that ensures even load distribution under thermal expansion, minimizing localized pressure and preventing piston collapse.
- Manufactured to exacting standards in Germany, ensuring exceptional quality and reliability.
Specifications:
- Bore size: 49.50 mm
- Actual piston diameter: 49.45 mm
- Displacement (cm³): 82
- Stroke: 45.60 mm
- Clearance: 0.05 mm
- Compression height: 26.80 mm
- Wossner compression ratio: 2-stroke
- OEM compression ratio: 2-stroke
Included Components:
- Wossner Piston Part Number: 8186D150
- Lock Part Number: CW12
- Pin Part Number: WP091
- Ring Set Part Number: RSB4950
